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  1. #1
    I dream skis lilwake's Avatar
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    Addictor 333 Mini Outboard Boat to Rotax 787 Jet Conversion *LIL WAKE**

    Probably unusual to see one of these on a PWC site...but you will understand what brought me here if you read a little further.

    This is my boat. A 1988 Addictor 333 (AKA the Bambino), a 10ft outboard speed boat.







    I don't know why they labeled these speed boats as this model only does about 30MPH on a good day, and is a slug getting out of the water.

    After running the boat like this all last summer at Minnetonka and Prior Lake here in Minneapolis MN I decided I needed to go faster. So I started sketching things up. Threw together a few renderings and now the project begins. I listed the outboard a couple months ago and it finally sold a few days ago. This means I'm committed to the project now. No going back. Here it is.

    The Rotax 787 powered 10' Jet boat. 700lbs, 110hp, hopefully 55mph top speed.

    The concept...excluding interior and graphics.


    The Interior Sketch to layout my ideas.



    The Interior Rendering to visualize it


    And here is another build project that I am using as a reference. I will be grafting the engine mount/pump exit portion of the hull form the ski to my Addictor boat the same way as shown in the following pictures where this other guy used an RXP engine and Pump system.

    ski hull section fitted to bottom of boat. (bottom)


    ski hull section fitted to bottom of boat. (top)


    Reinforced form the inside


    Reinforced from outside (pump)


    Reinforced from outside (Keel)


    Reinforced (Engine Mounts)


    This will be my first project of this magnitude. I have fiberglass experience and feel completely comfortable with that portion of the project.

    Things I will need help with along the way:
    Reconfiguring the steering from the ski
    Reconfiguring Throttle control from the ski
    Determining if the XP Fuel tank will fit the engine compartment properly, or weld alum fuel tank.
    Upholstery/interior work.

    Things will come in stages. First stage is doing the engine/pump swap and get everything running (hoping by May). Then will come the wake tower, interior, fine-tuning (handling, performance, etc.) and new gel/paint and graphics.

    Your thoughts?

    Any volunteers?
    Last edited by lilwake; 03-02-2012 at 10:17 AM.

  2. #2
    I dream skis lilwake's Avatar
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    Re: Addictor 333 Mini Outboard Boat to Rotax 787 Jet Conversion *LIL WAKE**

    here is how the pump will sit, although the XP pump is not as long and has no reverse bucket.



    It will have to be set back like this due to lack of space with the length of the boat. Unlike a ski I have to sit in front of the engine rather than on top of it so there is much less room. I think it looks pretty cool though and at a later time (likely this winter) I will build a small swim platform that will cover the pump.

  3. #3
    I dream skis lilwake's Avatar
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    Re: Addictor 333 Mini Outboard Boat to Rotax 787 Jet Conversion *LIL WAKE**

    As I mentioned above, the motor sold a few days ago so I had to get cracking on the boat so I could send the buyer his motor, controls, etc. It's going all the way to Maine and the scheduled pickup is this coming Monday.

    I was in a car accident on my way to work on Wednesday so after dealing with that I had the rest of the day get started.

    STAGE 1: Weight Reduction

    Motor Off and Radio Out


    Controls and Wire Harness Out


    Tilt&Trim Off and Fuel Tanks Removed


    Interior Removed


    Grungy Old Carpet Removed


    Bare A$$






    Now I have to do some Scrubbing!


    Time to go buy a SKI!!! Who wants to see me hack up an XP?
    Last edited by lilwake; 03-02-2012 at 10:19 AM.

  4. #4
    PWCToday Regular
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    Re: Addictor 333 Mini Outboard Boat to Rotax 787 Jet Conversion *LIL WAKE**

    Subscribed, again....
    Water 1991 550sx and 2011 FZS.
    Road - 98 Honda VTR1000F.

  5. #5
    resident guru HX RACER's Avatar
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    Re: Addictor 333 Mini Outboard Boat to Rotax 787 Jet Conversion *LIL WAKE**

    Those Addictor Mini boats are cool. I would go with a Kawi 1100 in there if you want good power

  6. #6
    PWCToday.com Is My Home Away From Home ihate5mphzone's Avatar
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    Re: Addictor 333 Mini Outboard Boat to Rotax 787 Jet Conversion *LIL WAKE**

    Quote Originally Posted by HX RACER View Post
    Those Addictor Mini boats are cool. I would go with a Kawi 1100 in there if you want good power
    +1 go big or go home lol .subscribe

  7. #7
    I dream skis lilwake's Avatar
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    Re: Addictor 333 Mini Outboard Boat to Rotax 787 Jet Conversion *LIL WAKE**

    I looked up the specs. That kawi 1100 only puts out 10 more ponies ands its a 3cylinder. Prolly quite a bit heavier and larger. You have to remember I have limited space because I have to sit in front of the motor instead of on top of it like a ski.

    Stay tuned guys. MORE PROGRESS TO COME SOON

  8. #8
    resident guru HX RACER's Avatar
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    Re: Addictor 333 Mini Outboard Boat to Rotax 787 Jet Conversion *LIL WAKE**

    1100's can make 145 + hp in limited form and run on pump gas all day. They squeeze them in Blasters, HX's, and SXR's. If you can get it to fit I think it would run better than with the Doo motor. The 3 cylinder Kawi is going to have better holeshot and power to pull around that boat.

  9. #9
    I dream skis lilwake's Avatar
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    Re: Addictor 333 Mini Outboard Boat to Rotax 787 Jet Conversion *LIL WAKE**

    What skis have that motor. I was pretty set on the xp but i could look into the kawi 1100 and see if i could find something within my budget.

  10. #10
    resident guru HX RACER's Avatar
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    Re: Addictor 333 Mini Outboard Boat to Rotax 787 Jet Conversion *LIL WAKE**

    Look for a ZXI or STX for a donor. I'm sure it will run decent with the 787 too.

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